diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8dabc3f..8814d91 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -21,7 +21,7 @@ commands:
       - sdkman/setup-sdkman
       - sdkman/sdkman-install:
           candidate: kotlin
-          version: 2.0.20
+          version: 2.1.10
       - run:
           name: Download dependencies
           command: ./bld download
diff --git a/.github/workflows/bld.yml b/.github/workflows/bld.yml
index cf1ac97..48f1a71 100644
--- a/.github/workflows/bld.yml
+++ b/.github/workflows/bld.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       matrix:
         java-version: [17, 21, 23]
-        kotlin-version: [1.9.24, 2.0.20, 2.1.0]
+        kotlin-version: [1.9.25, 2.0.20, 2.1.10]
 
     steps:
       - name: Checkout source repository
diff --git a/README.md b/README.md
index 8d62a9f..84d0ebc 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # mobibot
 
 [![License (3-Clause BSD)](https://img.shields.io/badge/license-BSD%203--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)
-[![bld](https://img.shields.io/badge/2.1.0-FA9052?label=bld&labelColor=2392FF)](https://rife2.com/bld)
+[![Kotlin](https://img.shields.io/badge/kotlin-2.1.10-7f52ff.svg)](https://kotlinlang.org)
 [![bld](https://img.shields.io/badge/2.2.1-FA9052?label=bld&labelColor=2392FF)](https://rife2.com/bld)
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=ethauvin_mobibot&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=ethauvin_mobibot)
 [![GitHub CI](https://github.com/ethauvin/mobibot/actions/workflows/bld.yml/badge.svg)](https://github.com/ethauvin/mobibot/actions/workflows/bld.yml)
diff --git a/lib/bld/bld-wrapper.properties b/lib/bld/bld-wrapper.properties
index 478b956..0a01ba1 100644
--- a/lib/bld/bld-wrapper.properties
+++ b/lib/bld/bld-wrapper.properties
@@ -1,10 +1,8 @@
 bld.downloadExtensionJavadoc=false
 bld.downloadExtensionSources=true
 bld.downloadLocation=
-bld.extension-detekt=com.uwyn.rife2:bld-detekt:0.9.7
-bld.extension-gv=com.uwyn.rife2:bld-generated-version:0.9.9
-bld.extension-jacoco=com.uwyn.rife2:bld-jacoco-report:0.9.8
 bld.extension-kotlin=com.uwyn.rife2:bld-kotlin:1.0.3
+bld.extension-kotlin=com.uwyn.rife2:bld-kotlin:1.0.4
 bld.repositories=MAVEN_LOCAL,MAVEN_CENTRAL,RIFE2_SNAPSHOTS,RIFE2_RELEASES
 bld.sourceDirectories=
 bld.version=2.2.1
diff --git a/src/bld/java/net/thauvin/erik/MobibotBuild.java b/src/bld/java/net/thauvin/erik/MobibotBuild.java
index 6aa683c..6a9386a 100644
--- a/src/bld/java/net/thauvin/erik/MobibotBuild.java
+++ b/src/bld/java/net/thauvin/erik/MobibotBuild.java
@@ -77,7 +77,7 @@ public class MobibotBuild extends Project {
                 SONATYPE_SNAPSHOTS_LEGACY);
 
         var log4j = version(2, 24, 3);
-        var kotlin = version(2, 1, 0);
+        var kotlin = version(2, 1, 10);
         var langchain = version(0, 36, 2);
         scope(compile)
                 // PircBotX